2008 Arctic Cat DVX 250 / 250 Utility ATV Service Manual, Page 99Get this manual
BULB VERIFICATION (LO and HI Beam) Visually inspect the bulb for broken filaments, blackening, or loose bulb baseVOLTAGE NOTE: Perform this test in turn on the main harness side of the connectorsAlso, the ignition switch must be in the LIGHTS position and the engine must be running
VOLTAGE (Taillight)
NOTE: Perform this test on the main harness side of the connectorAlso, the ignition switch should be in the LIGHTS position
1Set the meter selector to the DC Voltage position2Connect the red tester lead to the brownblack wire; then connect the black tester lead to the green wire3With the ignition key in the LIGHTS position, the meter must show battery voltageNOTE: If the meter shows no voltage, inspect fuses, wiring harness, connectors, and switches
1Set the meter selector to the DC Voltage position2Connect the red tester lead to the green wire; then connect the black tester lead to the white wire3With the dimmer switch in the LO position (LO beam), the meter must show battery voltage4Connect the red tester lead to the blue wireWith the dimmer switch in the HI position (HI beam), the meter must show battery voltageNOTE: If battery voltage is not shown in any test, inspect the fuses, battery, main wiring harness, connectors, or the left handlebar switch